インテル® Fortran コンパイラー 19.0 デベロッパー・ガイドおよびリファレンス
The TL edit descriptor specifies a character position to the left of the current position in an I/O record. It takes the following form:
TLn
The n is a positive integer literal constant (with no kind parameter) indicating the nth character position to the left of the current character.
If n is greater than or equal to the current position, the next character accessed is the first character of the record.